Thyroid UK
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Best way to take Ferrous fumarate & Levothyroxine

Morning, does anyone know the best time to take ferrous fumarate tablets. The research I've done gives conflicting advice, non given from my GP. Some sites recommend leaving 12, 6 or 4hrs after taking levothyroxine. I'm meant to take 3 ferrous a day, at the moment only managing 1. Any advice gratefully received! Thanks

2 Replies


Take iron 4 hours away from Levothyroxine.


Hi Clutter

Many thanks for your advice x


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